Finding the Fourth Proportional to 47,966,733.09, 71,918,140.28 and 26,411,486.13
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Solution
The fourth proportional to 47,966,733.09, 71,918,140.28 and 26,411,486.13 is: 39,599,631.70
Step by Step Solution
- Step 1: Write the proportion equation
47,966,733.09 : 71,918,140.28 = 26,411,486.13 : x - Step 2: Convert to fraction form
47,966,733.09/71,918,140.28 = 26,411,486.13/x - Step 3: Cross multiply
47,966,733.09x = 71,918,140.28 × 26,411,486.13 - Step 4: Simplify right side
47,966,733.09x = 1,899,464,964,368,557 - Step 5: Solve for x
x = 1,899,464,964,368,557/47,966,733.09 - Step 6: Final answer
x = 39,599,631.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.